Tilt Solution Plants edging a path work wonders to offer views and tame a side yard. Add a path or two along planting beds on your slope; it'll help make garden maintenance easier. Gravel and flagstones form a path that hugs the bottom of the hill. Repeated groupings of shade-loving plants flank the sides of the walkway, creating a sense of intimacy.
Worm Tower - Drill lots of holes in a pvc pipe (or buy a predrilled piece of drain pipe). Bury all but 6 inches in garden. Place kitchen scraps in the hole. Worms will come in and eat and then transfer the "goodies" throughout the garden.